SATURDAY SCHOOL

May 9, 2013 6:31 p.m. ET

On Tuesdays, when the "Saturday Night Live" team is ramping up one of the most grueling production schedules in show business, cast member Fred Armisen likes to go for a stroll up the street in Central Park. He puts on his headphones, sets his iPod to shuffle and waits for the mix of random songs and sights to spark an idea. Like the time a verbose Rickie Lee Jones tune led to a sketch about a groovy rock band (the Blue Jean Committee) with absurdly overstuffed lyrics.